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Wyszukujesz frazę "Mahmoudi, M. O." wg kryterium: Autor

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    Wyświetlanie 1-4 z 4
    Tytuł:
    Evaluation of the Shunt Active Power Filter apparent power ratio using particle swarm optimization
    Autorzy:
    Kouzou, A.
    Mahmoudi, M. O.
    Boucherit, M. S.
    Powiązania:
    https://bibliotekanauki.pl/articles/229885.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    effective apparent power
    shunt active power filter
    particle swarm optimization (PSO)
    harmonics
    unbalanced voltages
    unbalanced load
    Opis:
    The main objective of this present paper is the study of the Shunt Active Power Filter (APF) compensations capability for different perturbations in AC power system such as current unbalance, phase shift current and undesired harmonics generated by nonlinear load and/or by the power system voltage. This capability is determined by the maximum rate of the apparent power that can be delivered. This study is based on the definition of the effective apparent power as defined in IEEE 1459-2000 which was proved to be the suitable amount to be concerned in the design process of different devices.
    Źródło:
    Archives of Control Sciences; 2010, 20, 1; 47-76
    1230-2384
    Pojawia się w:
    Archives of Control Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A modified PWM three intervals control for a matrix converter in real time
    Autorzy:
    Rezaoui, M. M.
    Nezli, L.
    Mahmoudi, M. O.
    Kouzou, A.
    Abu Rub, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/964019.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    matrix converter [3×5]
    THD
    PWM three intervals
    real time
    Opis:
    In this paper, the application of the proposed control strategy PWM three intervals with 3×5 matrix converter is presented and analyzed. This control strategy is developed for the control of the multi-phases matrix converter, where the main aim is to ensure the waveform quality of the output voltages and the input currents based on the THD evaluation. Simulation results and real time implementation on dSpace 1103 of 3×5 matrix converter under R-L load are presented for the validation of the proposed control strategy and to clarify the main related advantages.
    Źródło:
    Archives of Control Sciences; 2014, 24, 1; 85-98
    1230-2384
    Pojawia się w:
    Archives of Control Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Backstepping/DTC control of a double star synchronous machine drive
    Autorzy:
    Boudana, D.
    Nezli, L.
    Tlemcani, A.
    Mahmoudi, M. O.
    Djemai, M.
    Tadjine, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/229805.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    double star synchronous machine
    direct torque control
    backstepping/DTC
    space vector modulation
    robustness
    Opis:
    Direct torque control (DTC) allows for very high quality torque control without a need for current controllers tuning or using coordinate transformation. However, barge torque ripples arise as well as inconstant inverter switching frequency due to the hysteresis of comparators. This paper present a backstepping/DTC control based on the space vector modulation (SVPWM) for double star synchronous machine (DSSM) to reduce the torque, flux, current and speed pulsations during steady state. By the coordinate transformation the DSSM models are presented in view of control. Then a conventional DTC is developed to get a decoupled system and a PI controller is designed to control the speed. To improve the static and dynamic control performance of the DSSM, the speed controller is designed using a backstepping/DTC procedure in conjunction with SVPWM. Simulation results with the conventional DTC and proposed backstepping/DTC are presented and compared. Results show the effectiveness and the robustness of the approach proposed.
    Źródło:
    Archives of Control Sciences; 2010, 20, 2; 227-247
    1230-2384
    Pojawia się w:
    Archives of Control Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Bio-ketones from lignocellulosic biomass: experimental investigation on fuel properties, combustion and emissions characteristics of cyclopentanone blend with diesel in compression ignition engine
    Autorzy:
    Doustdar, O.
    Wyszynski, M. L.
    Tsolakis, A.
    Mahmoudi, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/133067.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    lubricity
    viscosity
    calorific value
    diesel engine
    cyclopentanone
    emission
    smarność
    lepkość
    wartość opałowa
    silnik spalinowy
    cyklopentanon
    emisja
    Opis:
    Use of alternative fuels in compression ignition engines is the topic for many studies. This paper presents the results of lubricity, calorific value, viscosity, surface tension and density of a ketone blend with diesel to use as a fuel in compression ignition engine. Analyses of fuel properties are vital due to their effect on fuel system. In addition, this study is related to the development of future biofuels and it indicates the effect of oxygen double bond in molecular structure of ketones on important fuel properties. Cyclopentanone which has cyclic molecular structure was used; it can be produced from lignocellulosic biomass through various processing ways. This ketone was blended with diesel fuel at 10% vol. Results from fuel properties tests were compared to the conventional diesel fuel. In the next step this blend was tested in a research diesel engine to analyse its combustion behaviour and emission characteristics of exhaust gases; these results were compared with ultra-low sulphur diesel fuel. Results showed that cyclopentanone, as an additive to diesel, improved surface tension and density of the fuel but in contrast had negative effect on viscosity, lubricity and calorific value of the fuel, but still in the standard range. Combustion behaviour of this fuel in the diesel engine also showed longer ignition delay of ketone blend and also that gaseous emission such as CO and THC are higher than from diesel fuel and NOx emission is less than from conventional diesel fuel combustion.
    Źródło:
    Combustion Engines; 2017, 56, 4; 81-86
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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